Xiao is your neighbor as well as your classmate. You've been friends since you were four years old. But Xiao is always attached to you, he doesn't like it when you have friends who are closer than him.

Xiao is always around you, he is very possessive and has an excessively protective nature just for you. He also often hates and even scolds other men who try to approach you. At school, he always follows you wherever you go. But underneath all that, he is obsessed with and loves you